[clang] [Fuchsia][CMake] Remove new/delete from baremetal libc++ (PR #102415)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-arm-ubuntu` running on `linaro-lldb-arm-ubuntu` while building `clang` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/18/builds/1918

Here is the relevant piece of the build log for the reference:
```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: functionalities/dynamic_value_child_count/TestDynamicValueChildCount.py (451 of 2761)
UNSUPPORTED: lldb-api :: functionalities/fork/concurrent_vfork/TestConcurrentVFork.py (452 of 2761)
PASS: lldb-api :: functionalities/exec/TestExec.py (453 of 2761)
PASS: lldb-api :: functionalities/float-display/TestFloatDisplay.py (454 of 2761)
PASS: lldb-api :: functionalities/gdb_remote_client/TestAArch64XMLRegOffsets.py (455 of 2761)
PASS: lldb-api :: functionalities/gdb_remote_client/TestArmRegisterDefinition.py (456 of 2761)
PASS: lldb-api :: functionalities/gdb_remote_client/TestContinue.py (457 of 2761)
PASS: lldb-api :: functionalities/gdb_remote_client/TestDynamicLoaderDarwin.py (458 of 2761)
PASS: lldb-api :: functionalities/gdb_remote_client/TestFork.py (459 of 2761)
PASS: lldb-api :: functionalities/gdb_remote_client/TestGDBRemoteDiskFileCompletion.py (460 of 2761)
FAIL: lldb-api :: functionalities/fork/resumes-child/TestForkResumesChild.py (461 of 2761)
******************** TEST 'lldb-api :: functionalities/fork/resumes-child/TestForkResumesChild.py' FAILED ********************
Script:
--
/usr/bin/python3.8 /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env ARCHIVER=/usr/local/bin/llvm-ar --env OBJCOPY=/usr/bin/llvm-objcopy --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --arch armv8l --build-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/dsymutil --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/functionalities/fork/resumes-child -p TestForkResumesChild.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 20.0.0git (https://github.com/llvm/llvm-project.git revision fc0802a1d0bf2ede0ba71df09ddf5e601ab6587b)
  clang revision fc0802a1d0bf2ede0ba71df09ddf5e601ab6587b
  llvm revision fc0802a1d0bf2ede0ba71df09ddf5e601ab6587b
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
FAIL: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_step_over_fork (TestForkResumesChild.TestForkResumesChild)
======================================================================
FAIL: test_step_over_fork (TestForkResumesChild.TestForkResumesChild)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/functionalities/fork/resumes-child/TestForkResumesChild.py", line 22, in test_step_over_fork
    self.expect("continue", substrs=["exited with status = 0"])
  File "/home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 2359, in expect
    self.runCmd(
  File "/home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/packages/Python/lldbsuite/test/lldbtest.py", line 1003, in runCmd
    self.assertTrue(self.res.Succeeded(), msg if (msg) else CMD_MSG(cmd))
AssertionError: False is not true : Command 'continue
Error output:
error: Process must be launched.
' did not return successfully
Config=arm-/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang
----------------------------------------------------------------------
Ran 1 test in 1.443s

FAILED (failures=1)


```

https://github.com/llvm/llvm-project/pull/102415